* {
  margin: 0;
  padding: 0;
}
.button {
  border: none;
  padding: 10px;
  border-radius: 4px;
  background: #F9CB2A;
  color: #fff;
  transition: opacity 1s;
}
.button:active {
  opacity: .6;
}

.signPic {
  position: absolute;
  z-index: 100;
  border: 1px solid red;
  cursor: pointer;
}
.page-load-wrap {
  width: 100%;
  height: 100%;
  background-color: #fff;
  position: relative;
  z-index: 999;
}
.page-loading {
  position: absolute;
  top: 50%;
  transform: translateY(-50%) translateX(-50%);
  text-align: center;
  left: 50%;
}
.canvasWrapper {
  position: relative;
  canvas {
    position: absolute;
    left: 0;
    top: 0;
  }
}
.pdf-title {
  width: 100%;
  margin: 0 auto;
  font-weight: 700;
}
.pcMode {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  .pdf-title {
    font-weight: 700;
    margin-bottom: 10px;
    margin-top: 10px;
  }
  .pdf-wrap {
    position: relative;
    border: 2px solid #ccc;
  }
  .sign-modal {
    position: absolute;
  }
}

.upload-pdf {
  position: absolute;
  width: 100px;
  height: 100px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  input {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    opacity: 0;
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
  }
  img {
    width: 100px;
    height: 100px;
  }
}